Explore the Family Name Delancey

The meaning of Delancey

French and English: variant of Lancey, with fused French preposition de ‘from’. This form of the surname has died out in France and is very rare in Britain.

Dictionary of American Family Names, 2nd edition, © Oxford University Press, 2022.

How common is the last name Delancey in the United States?

According to the Decennial U.S. Census, the popularity of the surname Delancey experienced a slight decline between 2000 and 2010. In 2000, it was ranked as the 13,153rd most common surname in the U.S., but by 2010, it fell to the 13,597th spot, reflecting a change of -3.38%. However, the number of people carrying the Delancey surname increased from 2,131 in 2000 to 2,229 in 2010, showing an increase of 4.6%. Despite this growth in count, its proportion per 100,000 people slightly decreased from 0.79 to 0.76, marking a decrease of 3.8%.

	2000	2010	Change
Rank	#13,153	#13,597	-3.38%
Count	2,131	2,229	4.6%
Proportion per 100k	0.79	0.76	-3.8%

Race and Ethnicity of people with the last name Delancey

On the ethnicity front, based on data from the Decennial U.S. Census, there are some changes in the ethnic identity associated with the Delancey surname. In 2000, 92.12% identified themselves as White, which declined to 89.73% in 2010. The percentage identifying as Black showed an increase, from 4.88% in 2000 to 6.24% in 2010. The representation of Hispanic individuals also rose from 1.55% to 2.06%. While those identifying as belonging to two or more races increased from 1.03% to 1.48%, new entries were observed in the categories of Asian/Pacific Islander and American Indian and Alaskan Native, both of which were at zero in 2000 but registered small proportions in 2010.

	2000	2010	Change
White	92.12%	89.73%	-2.59%
Black	4.88%	6.24%	27.87%
Hispanic	1.55%	2.06%	32.9%
Two or More Races	1.03%	1.48%	43.69%
American Indian and Alaskan Native	0%	0.27%	0%
Asian/Pacific Islander	0%	0.22%	0%